* target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.

	(Sized_target::gc_add_reference, do_gc_add_reference): New functions.
	* gc.h (gc_process_relocs): Call target gc_add_reference.
	* gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
	* symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
	(Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
	unnecessary cast.
	* powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
	to cater for when we don't need code offset.  Update use.
	(Powerpc_relobj::access_from_map_, opd_valid_): New vars.
	(Powerpc_relobj::access_from_map, add_reference, opd_valid,
	set_opd_valid): New functions.
	(Target_powerpc::do_gc_add_reference): New function.
	(Target_powerpc::gc_process_relocs): Call gc()->add_reference on
	stashed refs.
	(Target_powerpc::do_gc_mark_symbol): New function.

1 files changed, 5 insertions, 26 deletions

diff --git a/gold/symtab.cc b/gold/symtab.cc
index e97f642254..8fadd1ddcf 100644
--- a/gold/symtab.cc
+++ b/gold/symtab.cc
@@ -577,14 +577,7 @@ Symbol_table::gc_mark_undef_symbols(Layout* layout)
       if (sym->source() == Symbol::FROM_OBJECT 
           && !sym->object()->is_dynamic())
         {
-          Relobj* obj = static_cast<Relobj*>(sym->object());
-          bool is_ordinary;
-          unsigned int shndx = sym->shndx(&is_ordinary);
-          if (is_ordinary)
-            {
-              gold_assert(this->gc_ != NULL);
-              this->gc_->worklist().push(Section_id(obj, shndx));
-            }
+	  this->gc_mark_symbol(sym);
         }
     }
 
@@ -601,14 +594,7 @@ Symbol_table::gc_mark_undef_symbols(Layout* layout)
 	  && sym->source() == Symbol::FROM_OBJECT 
           && !sym->object()->is_dynamic())
         {
-          Relobj* obj = static_cast<Relobj*>(sym->object());
-          bool is_ordinary;
-          unsigned int shndx = sym->shndx(&is_ordinary);
-          if (is_ordinary)
-            {
-              gold_assert(this->gc_ != NULL);
-              this->gc_->worklist().push(Section_id(obj, shndx));
-            }
+	  this->gc_mark_symbol(sym);
         }
     }
 
@@ -622,14 +608,7 @@ Symbol_table::gc_mark_undef_symbols(Layout* layout)
       if (sym->source() == Symbol::FROM_OBJECT
 	  && !sym->object()->is_dynamic())
 	{
-	  Relobj* obj = static_cast<Relobj*>(sym->object());
-	  bool is_ordinary;
-	  unsigned int shndx = sym->shndx(&is_ordinary);
-	  if (is_ordinary)
-	    {
-	      gold_assert(this->gc_ != NULL);
-	      this->gc_->worklist().push(Section_id(obj, shndx));
-	    }
+	  this->gc_mark_symbol(sym);
 	}
     }
 }
@@ -638,14 +617,14 @@ void
 Symbol_table::gc_mark_symbol(Symbol* sym)
 {
   // Add the object and section to the work list.
-  Relobj* obj = static_cast<Relobj*>(sym->object());
   bool is_ordinary;
   unsigned int shndx = sym->shndx(&is_ordinary);
   if (is_ordinary && shndx != elfcpp::SHN_UNDEF)
     {
       gold_assert(this->gc_!= NULL);
-      this->gc_->worklist().push(Section_id(obj, shndx));
+      this->gc_->worklist().push(Section_id(sym->object(), shndx));
     }
+  parameters->target().gc_mark_symbol(this, sym);
 }
 
 // When doing garbage collection, keep symbols that have been seen in